Local time to UTC time?

[sumeshes07]

I am trying to convert my local time into UTC time in my web application, but when I connected with local machine the time is converting into UTC and saving into Database but when I hosted the application the time is not converting into UTC?

This is the mapper I am using

 
var entity = new SPInvoiceSettingDto();
        entity.Id = model.Id;
        entity.InvoiceMode = model.InvoiceMode;
        entity.InvoiceType = model.InvoiceType;
        entity.GenerationTime = model.GenerationTime == null ? (DateTime?)null : DateTime.Parse(model.GenerationTime).ToUniversalTime();
        entity.InvoiceGenerationPeriod = model.InvoiceGenerationPeriod;
        entity.InvoiceContactId = model.InvoiceContactId;
        entity.MailAt = model.MailAt == null ? (DateTime?)null : DateTime.Parse(model.MailAt).ToUniversalTime();
        entity.InvoiceContactIdList = model.InvoiceContactIdList;
        entity.InvoiceMailPeriod = model.InvoiceMailPeriod;
        return entity;

[Frinavale]

You need to provide the Kind property to the ToUniversalTime method.

The follow method will convert the date properly:

public static DateTime ChangeToUTCDate(DateTime theDateToChange) 
{
   DateTime localDateTime = DateTime.SpecifyKind(theDateToChange, DateTimeKind.Local)
   DateTime utcDateTime = TimeZoneInfo.ConvertTimeToUtc(localDateTime, TimeZoneInfo.Local);
   return utcDateTime
}